<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Here is a photo of before I removed the deformed battery. The Magnum temp sensor was on one battery and the PV controller sensor on the other. I do not believe anything external caused this failure. Perhaps a shorted cell allowed the charger to pass high current continuously.<br class=""><div class="">
<div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><span style="orphans: 2; widows: 2;" class=""><br class="Apple-interchange-newline"></span><br style="orphans: 2; widows: 2;" class=""><span style="orphans: 2; widows: 2;" class="">Larry Crutcher</span><br style="orphans: 2; widows: 2;" class=""><span style="orphans: 2; widows: 2;" class="">Starlight Solar Power Systems</span><br style="orphans: 2; widows: 2;" class=""></div></div></div><br class="Apple-interchange-newline"></div><img apple-inline="yes" id="04AE26BC-2362-4D3A-95ED-AF126671898B" height="480" width="640" apple-width="yes" apple-height="yes" src="cid:6230EA2C-8AB6-4EF9-9325-6859D1EACFBE" class=""><br class="Apple-interchange-newline" style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br class="Apple-interchange-newline">
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<br class=""><div><div class="">On May 10, 2018, at 1:59 PM, Steve Higgins <<a href="mailto:steve@surrette.com" class="">steve@surrette.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Larry, <div class=""><br class=""></div><div class="">Do you have any pic's of them installed? </div><div class=""><br class=""></div><div class="">That would help a lot in getting an idea of how/why these failed. <br class=""><br class="">I do have two questions for you... <br class=""><br class=""></div><div class="">Were there tie down straps over the tops of the batteries? </div><div class=""><br class=""></div><div class="">Where was the temp sensor? </div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div></div><div class="gmail_extra"><br clear="all" class=""><div class=""><div class="gmail_signature" data-smartmail="gmail_signature"><div style="float:left;padding:1px 10px 0 0" class=""><a href="http://www.rollsbattery.com/" target="_blank" class=""></a><a href="http://www.rollsbattery.com/" target="_blank" class=""></a><a href="http://www.rollsbattery.com/" target="_blank" class=""></a><a href="http://www.rollsbattery.com/" target="_blank" class=""></a><a href="http://www.rollsbattery.com/" target="_blank" class=""></a><a href="http://www.rollsbattery.com/" target="_blank" class=""></a><a href="http://www.rollsbattery.com/" target="_blank" class=""></a><a href="http://www.rollsbattery.com/" target="_blank" class=""></a><a href="http://www.rollsbattery.com/" target="_blank" class=""></a><a href="http://www.rollsbattery.com/" target="_blank" class=""></a><a href="http://www.rollsbattery.com/" target="_blank" class=""></a><a href="http://www.rollsbattery.com/" target="_blank" class=""></a><a href="http://www.rollsbattery.com/" target="_blank" class=""></a><a href="http://www.rollsbattery.com/" target="_blank" class=""></a><a href="http://www.rollsbattery.com/" target="_blank" class=""><img src="https://i.imgur.com/uXcqgyz.png" alt="" style="padding:3px 0px 0px 10px;float:left;margin-right:10px;width:98px;height:115px" class=""></a><div style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:14px;line-height:20px;font-family:Arial,Helvetica,sans-serif;margin:0px" class=""><font color="#bb1a1d" class="">Steve Higgins \u22c5
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<br class=""><div class="gmail_quote">On Thu, May 10, 2018 at 1:42 PM, Starlight Solar Power Systems <span dir="ltr" class=""><<a href="mailto:larry@starlightsolar.com" target="_blank" class="">larry@starlightsolar.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class="">Wrenches, <div class=""><br class=""></div><div class="">Attached is a photo of my first thermal runaway event after 17 years and thousands of battery systems installed. These were in an RV. I checked every charge source and all are within specified charging parameters. No cause found. The owner is a single elderly lady that uses very little power in her RV and spend most of the time on shore power. She reported that the batteries were dead when she unplugged from shore power. This was i the 23rd month after installation. </div><div class=""><br class=""></div><div class="">After I reported this to my Fullriver distributor, they told me that another set of DC400-6 had melted down just 1 month earlier and that they had fused together just like these. That is extreme heat. It is too peculiar to know of two similar events. This meltdown happened within the 2 year warranty period but my customer could not come back to us for another 3 months beyond the warranty period. Fullriver would not allow anything towards replacement do to the reporting date being grater than 24 months.</div><div class=""><br class=""></div><div class="">I would like to know has anyone else had a similar failure with Rolls or Fullriver AGM batteries, specifically L16 size.</div><div class=""><br class=""></div><div class=""><div class=""><div style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; word-wrap: break-word;" class=""><div style="letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; word-wrap: break-word;" class=""><div style="letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; word-wrap: break-word;" class=""><div class=""><span class="">Thank you,</span><br class=""><br class=""><span class="">Larry Crutcher</span><br class=""><span class="">Starlight Solar Power Systems</span><br class=""></div></div></div><br class="m_8954721699488226162Apple-interchange-newline"></div><br class="m_8954721699488226162Apple-interchange-newline" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><br class="m_8954721699488226162Apple-interchange-newline">
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